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How to detect a loop in a linked list?
Say you have a linked list structure in Java. It's made up of Nodes:
25 Answers
25
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Conditional import of modules in Python
In my program I want to import simplejson or json based on whether the OS the user is on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following?
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How can I change the current URL?
I have the following code that changes the pages from within JavaScript:
5 Answers
5
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Compare floats in php
...ause it looks small, this comparison will return true in alot of precision errors when the numbers are small. A correct way would be to check if the relative error is smaller than the epsilon. abs($a-$b) > abs(($a-$b)/$b)
– Piet Bijl
Jun 21 '13 at 13:18
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How to truncate a foreign key constrained table?
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when I'm using delete statement, it report error 1175: You are using safe update mode, just add SET SQL_SAFE_UPDATES = 0; then it's fine
– user4985526
Apr 20 '16 at 2:41
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Assign pandas dataframe column dtypes
...e types explicitly with pandas DataFrame.astype(dtype, copy=True, raise_on_error=True, **kwargs) and pass in a dictionary with the dtypes you want to dtype
here's an example:
import pandas as pd
wheel_number = 5
car_name = 'jeep'
minutes_spent = 4.5
# set the columns
data_columns = ['wheel_number...
Python error “ImportError: No module named”
...ry to import it, it doesn't allow me, saying that it doesn't exist. "ImportError: no module x exists"
– user65165
Aug 24 '16 at 14:53
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Could not find default endpoint element
... a VS2008/.NET 3.5 solution. When constructing the client .NET throws this error:
33 Answers
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Is there a way to change the spacing between legend items in ggplot2?
Is there a way to change the spacing between legend items in ggplot2? I currently have
8 Answers
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...erty is array, for example: Class{ public $property = array() }. Throws an error.
– Andrew
Jun 13 '15 at 9:38
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